47e05db7c8d972be5e04866381689e41d53601259bc229247ac78001516a1319 | Triage

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Overview

overview

Static

static

7

NEAS.f5008...10.exe

windows7-x64

NEAS.f5008...10.exe

windows10-2004-x64

Sharing

General

Target

NEAS.f500816077e04e2765953f13c92cdc10.exe
Size

2.6MB
Sample

231115-fnpj1sce56
MD5

f500816077e04e2765953f13c92cdc10
SHA1

291c5f984c339ba9b498a0d06f7c85ec7dd04cf8
SHA256

47e05db7c8d972be5e04866381689e41d53601259bc229247ac78001516a1319
SHA512

93611fc45eae013bbc5bad7fd110bd745634b8d37b9c749adf3ff0493a127d77c796768ec1a642dbd2b41fb617f19e643bd39ab780b9debc2736f31df40ba750
SSDEEP

49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/Yr:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpwG

Score

10^/10

evasion persistence themida trojan

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

NEAS.f500816077e04e2765953f13c92cdc10.exe

Resource

win7-20231023-en

evasion persistence themida trojan

windows7-x64

16 signatures

150 seconds

Behavioral task

behavioral2

Sample

NEAS.f500816077e04e2765953f13c92cdc10.exe

Resource

win10v2004-20231023-en

evasion persistence themida trojan

windows10-2004-x64

14 signatures

150 seconds

Malware Config

Targets

- Target
  
  NEAS.f500816077e04e2765953f13c92cdc10.exe
- Size
  
  2.6MB
- MD5
  
  f500816077e04e2765953f13c92cdc10
- SHA1
  
  291c5f984c339ba9b498a0d06f7c85ec7dd04cf8
- SHA256
  
  47e05db7c8d972be5e04866381689e41d53601259bc229247ac78001516a1319
- SHA512
  
  93611fc45eae013bbc5bad7fd110bd745634b8d37b9c749adf3ff0493a127d77c796768ec1a642dbd2b41fb617f19e643bd39ab780b9debc2736f31df40ba750
- SSDEEP
  
  49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/Yr:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpwG
Score

10^/10

evasion persistence themida trojan
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencethemidatrojan

behavioral2

evasionpersistencethemidatrojan

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